Dictionary Definition:
Mañjūsā (f.) [cp. Epic Sk. mañjūṣā] a casket; used for keeping important documents in J ii.36 (suvaṇṇapaṭṭaŋ mañjūsāya nikkhipāpesi); iv.335 (suvaṇṇapaṭṭaŋ sāra -- mañjūsāyaŋ ṭhapetvā kālam akāsi).